#startLecture {
  width: 100%;
  height: 100%;
  // width: 922px;
  // height: 843px;
  margin: 0 auto;
  background-color: #f6f7fc;
  font-family: PingFangSC-Regular, PingFang SC;

  .c-header {
    height: 68px;
    background-color: #fff;

    .content1 {
      overflow: hidden;
      padding-left: 30px;

      box-shadow: 0px 0px 5px 0px rgba(100, 156, 240, 0.2);

      .item {
        float: left;
        margin-right: 50px;
        line-height: 66px;
        min-width: 60px;
        text-align: center;
        border-bottom: 2px solid transparent;
        font-size: 21px;
        font-weight: 500;
        color: #333333;
        cursor: pointer;

        &:hover {
          color: var(--bg-color,'#FF6900');
          font-size: 21px;
          font-family: PingFangSC-Medium, PingFang SC;
          font-weight: 500;

          .line {
            width: 25px;
            height: 4px;
            margin-left: 15px;
            background: var(--bg-color,'#FF6900');
            border-radius: 2px;
          }
        }

        &.active {
          color: var(--bg-color,'#FF6900');
          font-size: 21px;
          font-family: PingFangSC-Medium, PingFang SC;
          font-weight: 500;

          .line {
            width: 25px;
            height: 4px;
            margin-left: 15px;
            background: var(--bg-color,'#FF6900');
            border-radius: 2px;
          }
        }
      }
    }
  }

  .c-center {
    background: #fff;
   
    width: 100%;
   
    
    .top {
      padding: 30px 16px 30px 30px;
      padding-bottom: 15px;
      box-shadow: 0px 0px 5px 0px rgba(100, 156, 240, 0.2);
      margin-bottom: 32px;
      background-color: #fff;
      margin-top: 1px;
      .box1 {
        display: flex;
        /*align-items: center;*/
        span {
          font-size: 21px;
          display: inline-block;
          width: 90px;
          padding-top: 10px;
        }
        .list {
          flex: 1;
          display: flex;
          flex-wrap: wrap;
          margin-left: 10px;
          overflow: hidden;
  
          li {
            margin: 12px 0;
            padding: 0 15px;
            margin-right: 18px;
            // width: 82px;
            height: 30px;
            background-color: #f6f6f6;
            border-radius: 15px;
            text-align: center;
            font-size: 16px;
            font-family: PingFangSC-Regular, PingFang SC;
            font-weight: 400;
            color: #333333;
            line-height: 30px;
            // width: 120px;
            cursor: pointer;
            &:hover {
              background: var(--bg-color,'#FF6900');
              color: #ffffff;
            }
          }
  
          .item-kc {
            // width: 150px;
          }
  
          .active {
            background: var(--bg-color,'#FF6900');
            color: #ffffff;
          }
        }
  
        .special {
          /*margin-top: 15px;*/
          /*align-self: start;*/
        }
  
        span.more {
          display: inline-block;
          flex: 1 0 82px;
          align-self: flex-end;
          text-align: center;
          height: 33px;
          line-height: 33px;
          background: var(--bg-color,'#FF6900');
          border-radius: 18px;
  
          font-size: 18px;
          font-family: PingFangSC-Regular, PingFang SC;
          font-weight: 400;
          color: #ffffff;
          cursor: pointer;
        }
      }
    }
  }

  .c-body {
    background-color: #fff;
 
    padding: 20px 30px;
    box-sizing: border-box;
    box-shadow: 0px 0px 5px 0px rgba(100, 156, 240, 0.2);
    //选中
    .activehong {
      color: var(--bg-color,'#FF6900');
      
    }
    .yangshi{
      font-size: 20px;
      margin-right: 20px;
    }
    //无内容开始
    .conImg {
      height: 610px;

      img {
        // width: 352px;
        // height: 286px;
        display: inline-block;
        margin-left: 50%;
        transform: translateX(-50%);
        margin-top: 120px;

      }

      .conBotton {
        text-align: center;
        margin-top: 50px;

        span {
          color: #999;
        }

        a {
          color: var(--bg-color,'#FF6900');
        }
      }
    }

    //无内容结束

    h2 {
      padding-bottom: 5px;
    }
    .list{
      ul {
        li {
          display: flex;
          font-size: 16px;
          font-weight: 400;
          color: #333333;
          height: 50px;
          line-height: 22px;
          margin-top: 22px;
          // padding-top: 22px;
          justify-content: space-between;
          border-bottom: 1px dashed #eaeaea;
          padding-bottom: 20;
  
          span {
            display: inline-block;
  
            // &:nth-child(1) {
            //   flex: 1.1;
            //   display: inline-block;
            //   word-break: break-all;
            //   text-overflow: ellipsis;
            //   display: -webkit-box;
            //   -webkit-box-orient: vertical;
            //   -webkit-line-clamp: 1;
            //   overflow: hidden;
            // }
            &:nth-child(1) {
              flex:2
            }
            &:nth-child(2) {
              flex:1
            }
  
            &:nth-child(3) {
              flex: 1;
              text-align: right;
            }
            .img1{
              width: 100px;
              height: 100px;
              margin-top: -80px;
              margin-left: 12px;
              text-align: center;
              #qrcode {
                height: 100%;
                width: 100%;
                text-align: center;
                img {
                  width: 100%;
                  height: 100%;
                  text-align: center;
                }
              }
            }
            // &:nth-child(4) {
            //   // flex: 0.7
            //   width: 136px
            // }
          }
  
          >span {
            // width: 25%;
  
            .btn {
              width: 136px;
              height: 36px;
              line-height: 36px;
              text-align: center;
              background-color: var(--bg-color,'#FF6900');
              border-radius: 50px;
              color: #fff;
              cursor: pointer;
  
              &:hover {
                opacity: 0.8
              }
            }
          }
        }
      }
    }
    
  }
}
.list{
  ul {
    li {
      display: flex;
      font-size: 16px;
      font-weight: 400;
      color: #333333;
      align-items: center;
      height: 50px;
      line-height: 22px;
      margin-top: 22px;
      // padding-top: 22px;
      justify-content: space-between;
      border-bottom: 1px dashed #eaeaea;
      padding-bottom: 20;

      span {
        display: inline-block;

        // &:nth-child(1) {
        //   flex: 1.1;
        //   display: inline-block;
        //   word-break: break-all;
        //   text-overflow: ellipsis;
        //   display: -webkit-box;
        //   -webkit-box-orient: vertical;
        //   -webkit-line-clamp: 1;
        //   overflow: hidden;
        // }
        &:nth-child(1) {
          flex:2
        }
        &:nth-child(2) {
          flex:1
        }

        &:nth-child(3) {
          flex: 1;
          text-align: right;
        }
        .img1{
          width: 100px;
          height: 100px;
          margin-top: -80px;
          margin-left: 12px;
          text-align: center;
          #qrcode {
            height: 100%;
            width: 100%;
            text-align: center;
            img {
              width: 100%;
              height: 100%;
              text-align: center;
            }
          }
        }
        // &:nth-child(4) {
        //   // flex: 0.7
        //   width: 136px
        // }
      }

      >span {
        // width: 25%;

        .btn {
          width: 136px;
          height: 36px;
          line-height: 36px;
          text-align: center;
          background-color: var(--bg-color,'#FF6900');
          border-radius: 50px;
          color: #fff;
          cursor: pointer;

          &:hover {
            opacity: 0.8
          }
        }
      }
    }
  }
}
